@zeroarst It should be possible to connect these two VDSL2 gateways according the topology you posted. The second VR1600v should be in Wireless Router mode though. Now to avoid the double NAT in your...

@Sandy0912 In your version of FW this feature maybe called WDS Bridging. Check here:

@saadbinsaeed Make sure your wireless settings are: What DNS servers you are using in C6 ? What's the output of ' cat /etc/resolv.conf ' in Ubuntu console ? Try pinging 1.1.1.1 and 8.8.8.8 from...

@DavidL1 In that case, if your ISP confirms that you can use BT Openreach VDSL modem in their network and this device supports bridge mode, then go for it. You can connect that modem (configured in...

@DavidL1 How about keeping Sky Broadband router and use Archer A7 in AP mode ? Thus you won't buy any additional HW and you'll avoid the Double NAT in your network.

@linuxgfx It would've been nice to have WAN failover implemented indeed, but In AX90 user guide: Page 2: " *2.5 Gbps internet speeds require compatible service plans and equipment. 2.5 Gbps and 1...